#ifndef THREAD_H_INCLUDED
#define THREAD_H_INCLUDED
+#include <bitset>
#include <vector>
#include "material.h"
#include "position.h"
#include "search.h"
-const int MAX_THREADS = 64; // Because SplitPoint::slavesMask is a uint64_t
+const int MAX_THREADS = 128;
const int MAX_SPLITPOINTS_PER_THREAD = 8;
struct Mutex {
// Shared data
Mutex mutex;
- volatile uint64_t slavesMask;
+ std::bitset<MAX_THREADS> slavesMask;
+ volatile bool allSlavesSearching;
volatile uint64_t nodes;
volatile Value alpha;
volatile Value bestValue;
struct ThreadBase {
- ThreadBase() : exit(false) {}
+ ThreadBase() : handle(NativeHandle()), exit(false) {}
virtual ~ThreadBase() {}
virtual void idle_loop() = 0;
void notify_one();
bool cutoff_occurred() const;
bool available_to(const Thread* master) const;
- template <bool Fake>
void split(Position& pos, const Search::Stack* ss, Value alpha, Value beta, Value* bestValue, Move* bestMove,
Depth depth, int moveCount, MovePicker* movePicker, int nodeType, bool cutNode);
void wait_for_think_finished();
void start_thinking(const Position&, const Search::LimitsType&, Search::StateStackPtr&);
- bool sleepWhileIdle;
Depth minimumSplitDepth;
- size_t maxThreadsPerSplitPoint;
Mutex mutex;
ConditionVariable sleepCondition;
TimerThread* timer;